import Vue from 'vue'
import App from './App'
import ElementUI from 'element-ui';
import 'element-ui/lib/theme-chalk/index.css';
import VueRouter from 'vue-router'
import routes from './routes'

Vue.use(ElementUI);
Vue.use(VueRouter)
const USER_KEY = 'user'
const router = new VueRouter({
  routes
})
window.router = router

router.beforeEach((to, from, next) => {
  if (to.path == '/login') {
    sessionStorage.removeItem(USER_KEY);
  }
  let user = JSON.parse(sessionStorage.getItem(USER_KEY));
  if (!user && to.path != '/login') {
    next({path: '/login'})
  } else {
    next()
  }
})
new Vue({
  //el: '#app',
  router,
  render: h => h(App)
}).$mount('#app')
